Home / 3,174,869.91-4,381,399.50-1,724,564.91

Finding the Fourth Proportional to 3,174,869.91, 4,381,399.50 and 1,724,564.91

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Solution

The fourth proportional to 3,174,869.91, 4,381,399.50 and 1,724,564.91 is: 2,379,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,869.91 : 4,381,399.50 = 1,724,564.91 : x
  2. Step 2: Convert to fraction form
    3,174,869.91/4,381,399.50 = 1,724,564.91/x
  3. Step 3: Cross multiply
    3,174,869.91x = 4,381,399.50 × 1,724,564.91
  4. Step 4: Simplify right side
    3,174,869.91x = 7,556,007,834,391.55
  5. Step 5: Solve for x
    x = 7,556,007,834,391.55/3,174,869.91
  6. Step 6: Final answer
    x = 2,379,942.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.